Remove observer status

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

draw/models.py

@@ -396,10 +396,6 @@ class Pool(models.Model):
                 reporter=tds[line[2]].participation,
                 defender_penalties=tds[line[0]].penalty_int,
             )
-            if self.size == 4:
-                # Add observer for 4-teams pools
-                passage.observer = tds[line[3]].participation
-                await passage.asave()
 
         # Update Google Sheets
         if os.getenv('GOOGLE_PRIVATE_KEY_ID', None):

participation/admin.py

@@ -51,7 +51,7 @@ class PassageInline(admin.TabularInline):
     model = Passage
     extra = 0
     ordering = ('position',)
-    autocomplete_fields = ('defender', 'opponent', 'reporter', 'observer',)
+    autocomplete_fields = ('defender', 'opponent', 'reporter',)
     show_change_link = True
 
 
@@ -118,7 +118,7 @@ class PassageAdmin(admin.ModelAdmin):
     list_filter = ('pool__tournament', 'pool__round', 'pool__letter', 'solution_number',)
     search_fields = ('pool__participations__team__name', 'pool__participations__team__trigram',)
     ordering = ('pool__tournament', 'pool__round', 'pool__letter', 'position',)
-    autocomplete_fields = ('pool', 'defender', 'opponent', 'reporter', 'observer',)
+    autocomplete_fields = ('pool', 'defender', 'opponent', 'reporter',)
     inlines = (NoteInline,)
 
     @admin.display(description=_("defender"), ordering='defender__team__trigram')

participation/forms.py

@@ -336,7 +336,7 @@ class PassageForm(forms.ModelForm):
 
     class Meta:
         model = Passage
-        fields = ('position', 'solution_number', 'defender', 'opponent', 'reporter', 'observer', 'defender_penalties',)
+        fields = ('position', 'solution_number', 'defender', 'opponent', 'reporter', 'defender_penalties',)
 
 
 class SynthesisForm(forms.ModelForm):
@@ -367,4 +367,4 @@ class NoteForm(forms.ModelForm):
     class Meta:
         model = Note
         fields = ('defender_writing', 'defender_oral', 'opponent_writing',
-                  'opponent_oral', 'reporter_writing', 'reporter_oral', 'observer_oral', )
+                  'opponent_oral', 'reporter_writing', 'reporter_oral', )

participation/migrations/0011_remove_note_observer_oral_remove_passage_observer.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.0.3 on 2024-04-16 21:59
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "participation",
+            "0010_tournament_notes_sheet_id_alter_note_defender_oral_and_more",
+        ),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="note",
+            name="observer_oral",
+        ),
+        migrations.RemoveField(
+            model_name="passage",
+            name="observer",
+        ),
+    ]

participation/models.py

@@ -979,7 +979,7 @@ class Pool(models.Model):
             spreadsheet.del_worksheet(spreadsheet.worksheet("Sheet1"))
 
         pool_size = self.participations.count()
-        passage_width = 7 if pool_size == 4 else 6
+        passage_width = 6
         passages = self.passages.all()
 
         header = [
@@ -988,10 +988,8 @@ class Pool(models.Model):
             sum(([f"Défenseur⋅se ({passage.defender.team.trigram})", "",
                   f"Opposant⋅e ({passage.opponent.team.trigram})", "",
                   f"Rapporteur⋅rice ({passage.reporter.team.trigram})", ""]
-                 + ([f"Observateur⋅rice ({passage.observer.team.trigram})"] if pool_size == 4 else [])
                  for passage in passages), start=["Rôle", ""]),
             sum((["Écrit (/20)", "Oral (/20)", "Écrit (/10)", "Oral (/10)", "Écrit (/10)", "Oral (/10)"]
-                 + (["Oral (± 4)"] if pool_size == 4 else [])
                  for _passage in passages), start=["Juré⋅e", ""]),
         ]
 
@@ -1002,8 +1000,6 @@ class Pool(models.Model):
                 note = passage.notes.filter(jury=jury).first()
                 line.extend([note.defender_writing, note.defender_oral, note.opponent_writing, note.opponent_oral,
                              note.reporter_writing, note.reporter_oral])
-                if pool_size == 4:
-                    line.append(note.observer_oral)
             notes.append(line)
         notes.append([])  # Add empty line to ensure pretty design
 
@@ -1016,8 +1012,8 @@ class Pool(models.Model):
             return getcol((number - 1) // 26) + chr(65 + (number - 1) % 26)
 
         average = ["Moyenne", ""]
-        coeffs = sum(([1, 1.6 - 0.4 * passage.defender_penalties, 0.9, 2, 0.9, 1]
-                      + ([1] if pool_size == 4 else []) for passage in passages), start=["Coefficient", ""])
+        coeffs = sum(([1, 1.6 - 0.4 * passage.defender_penalties, 0.9, 2, 0.9, 1] for passage in passages),
+                     start=["Coefficient", ""])
         subtotal = ["Sous-total", ""]
         footer = [average, coeffs, subtotal, 32 * [""]]
 
@@ -1045,10 +1041,6 @@ class Pool(models.Model):
             subtotal.extend([f"={rep_w_col}{max_row + 1} * {rep_w_col}{max_row + 2}"
                              f" + {rep_o_col}{max_row + 1} * {rep_o_col}{max_row + 2}", ""])
 
-            if pool_size == 4:
-                obs_col = getcol(min_column + passage_width * i + 6)
-                subtotal.append(f"={obs_col}{max_row + 1} * {obs_col}{max_row + 2}")
-
         ranking = [
             ["Équipe", "", "Problème", "Total", "Rang"],
         ]
@@ -1062,10 +1054,10 @@ class Pool(models.Model):
                 ]
             case 4:
                 passage_matrix = [
-                    [0, 3, 2, 1],
-                    [1, 0, 3, 2],
-                    [2, 1, 0, 3],
-                    [3, 2, 1, 0],
+                    [0, 3, 2],
+                    [1, 0, 3],
+                    [2, 1, 0],
+                    [3, 2, 1],
                 ]
             case 5:
                 passage_matrix = [
@@ -1082,9 +1074,6 @@ class Pool(models.Model):
             formula += getcol(min_column + passage_line[0] * passage_width) + str(max_row + 3)  # Defender
             formula += " + " + getcol(min_column + passage_line[1] * passage_width + 2) + str(max_row + 3)  # Opponent
             formula += " + " + getcol(min_column + passage_line[2] * passage_width + 4) + str(max_row + 3)  # Reporter
-            if pool_size == 4:
-                # Observer
-                formula += " + " + getcol(min_column + passage_line[3] * passage_width + 6) + str(max_row + 3)
             ranking.append([f"{participation.team.name} ({participation.team.trigram})", "",
                             f"=${getcol(3 + (passage.position - 1) * passage_width)}$1", formula,
                             f"=RANG(D{max_row + 5 + passage.position}; "
@@ -1173,8 +1162,6 @@ class Pool(models.Model):
         for passage in passages:
             column_widths.append((f"{getcol(3 + passage_width * (passage.position - 1))}"
                                   f":{getcol(8 + passage_width * (passage.position - 1))}", 75))
-            if pool_size == 4:
-                column_widths.append((getcol(9 + passage_width * (passage.position - 1)), 120))
         for column, width in column_widths:
             grid_range = a1_range_to_grid_range(column, worksheet.id)
             format_requests.append({
@@ -1260,8 +1247,8 @@ class Pool(models.Model):
         for i in range(pool_size):
             for j in range(passage_width):
                 column = getcol(min_column + i * passage_width + j)
-                min_note = 0 if j < 6 else -4
-                max_note = 20 if j < 2 else 10 if j < 6 else 4
+                min_note = 0
+                max_note = 20 if j < 2 else 10
                 format_requests.append({
                     "setDataValidation": {
                         "range": a1_range_to_grid_range(f"{column}{min_row - 1}:{column}{max_row}", worksheet.id),
@@ -1350,7 +1337,7 @@ class Pool(models.Model):
         if not data or not data[0]:
             return
 
-        passage_width = 7 if self.participations.count() == 4 else 6
+        passage_width = 6
         for line in data:
             jury_name = line[0]
             jury_id = line[1]
@@ -1422,16 +1409,6 @@ class Passage(models.Model):
         related_name="+",
     )
 
-    observer = models.ForeignKey(
-        Participation,
-        on_delete=models.PROTECT,
-        null=True,
-        blank=True,
-        default=None,
-        verbose_name=_("observer"),
-        related_name="+",
-    )
-
     defender_penalties = models.PositiveSmallIntegerField(
         verbose_name=_("penalties"),
         default=0,
@@ -1486,10 +1463,6 @@ class Passage(models.Model):
     def average_reporter(self) -> float:
         return 0.9 * self.average_reporter_writing + self.average_reporter_oral
 
-    @property
-    def average_observer(self) -> float:
-        return self.avg(note.observer_oral for note in self.notes.all())
-
     @property
     def averages(self):
         yield self.average_defender_writing
@@ -1498,13 +1471,10 @@ class Passage(models.Model):
         yield self.average_opponent_oral
         yield self.average_reporter_writing
         yield self.average_reporter_oral
-        if self.observer:
-            yield self.average_observer
 
     def average(self, participation):
         return self.average_defender if participation == self.defender else self.average_opponent \
-            if participation == self.opponent else self.average_reporter if participation == self.reporter \
-            else self.average_observer if participation == self.observer else 0
+            if participation == self.opponent else self.average_reporter if participation == self.reporter else 0
 
     def get_absolute_url(self):
         return reverse_lazy("participation:passage_detail", args=(self.pk,))
@@ -1519,9 +1489,6 @@ class Passage(models.Model):
         if self.reporter not in self.pool.participations.all():
             raise ValidationError(_("Team {trigram} is not registered in the pool.")
                                   .format(trigram=self.reporter.team.trigram))
-        if self.observer and self.observer not in self.pool.participations.all():
-            raise ValidationError(_("Team {trigram} is not registered in the pool.")
-                                  .format(trigram=self.observer.team.trigram))
         return super().clean()
 
     def __str__(self):
@@ -1705,12 +1672,6 @@ class Note(models.Model):
         default=0,
     )
 
-    observer_oral = models.SmallIntegerField(
-        verbose_name=_("observer note"),
-        choices=zip(range(-4, 5), range(-4, 5)),
-        default=0,
-    )
-
     def get_all(self):
         yield self.defender_writing
         yield self.defender_oral
@@ -1718,18 +1679,15 @@ class Note(models.Model):
         yield self.opponent_oral
         yield self.reporter_writing
         yield self.reporter_oral
-        if self.passage.observer:
-            yield self.observer_oral
 
     def set_all(self, defender_writing: int, defender_oral: int, opponent_writing: int, opponent_oral: int,
-                reporter_writing: int, reporter_oral: int, observer_oral: int = 0):
+                reporter_writing: int, reporter_oral: int):
         self.defender_writing = defender_writing
         self.defender_oral = defender_oral
         self.opponent_writing = opponent_writing
         self.opponent_oral = opponent_oral
         self.reporter_writing = reporter_writing
         self.reporter_oral = reporter_oral
-        self.observer_oral = observer_oral
 
     def update_spreadsheet(self):
         if not self.has_any_note():
@@ -1744,7 +1702,7 @@ class Note(models.Model):
         if not jury_id_cell:
             raise ValueError("The jury ID cell was not found in the spreadsheet.")
         jury_row = jury_id_cell.row
-        passage_width = 7 if passage.pool.participations.count() == 4 else 6
+        passage_width = 6
 
         def getcol(number: int) -> str:
             if number == 0:

participation/tables.py

@@ -155,4 +155,4 @@ class NoteTable(tables.Table):
         }
         model = Note
         fields = ('jury', 'defender_writing', 'defender_oral', 'opponent_writing', 'opponent_oral',
-                  'reporter_writing', 'reporter_oral', 'observer_oral', 'update',)
+                  'reporter_writing', 'reporter_oral', 'update',)

participation/templates/participation/passage_detail.html

@@ -34,11 +34,6 @@
                 <dt class="col-sm-3">{% trans "Reporter:" %}</dt>
                 <dd class="col-sm-9"><a href="{{ passage.reporter.get_absolute_url }}">{{ passage.reporter.team }}</a></dd>
 
-                {% if passage.observer %}
-                    <dt class="col-sm-3">{% trans "Observer:" %}</dt>
-                    <dd class="col-sm-9"><a href="{{ passage.observer.get_absolute_url }}">{{ passage.observer.team }}</a></dd>
-                {% endif %}
-
                 <dt class="col-sm-3">{% trans "Defended solution:" %}</dt>
                 <dd class="col-sm-9"><a href="{{ passage.defended_solution.file.url }}">{{ passage.defended_solution }}</a></dd>
 
@@ -113,14 +108,6 @@
                         ({{ passage.reporter.team.trigram }}) :
                     </dt>
                     <dd class="col-sm-4">{{ passage.average_reporter_oral|floatformat }}/10</dd>
-
-                    {% if passage.observer %}
-                        <dt class="col-sm-8">
-                            {% trans "Average points for the observer oral" %}
-                            ({{ passage.observer.team.trigram }}) :
-                        </dt>
-                        <dd class="col-sm-4">{{ passage.average_observer|floatformat }}/4</dd>
-                    {% endif %}
                 </dl>
 
                 <hr>
@@ -143,14 +130,6 @@
                         ({{ passage.reporter.team.trigram }}) :
                     </dt>
                     <dd class="col-sm-4">{{ passage.average_reporter|floatformat }}/19</dd>
-
-                    {% if passage.observer %}
-                        <dt class="col-sm-8">
-                            {% trans "Observer points" %}
-                            ({{ passage.observer.team.trigram }}) :
-                        </dt>
-                        <dd class="col-sm-4">{{ passage.average_observer|floatformat }}/4</dd>
-                    {% endif %}
                 </dl>
             </div>
         </div>

participation/templates/participation/tex/bareme.tex

@@ -73,18 +73,6 @@
 
 \end{tabular}
 
-{% if passages.count == 4 %}
-
-\vfill
-
-%%%%%%% INTERVENTION EXCEPTIONNELLE
-\begin{tabular}{|p{14.7cm}|c|p{2cm}|p{2cm}|p{2cm}|p{2cm}|}\hline
-\multicolumn{2}{|l|}{L'{\bf Intervention exceptionnelle} \normalsize permet de signaler une erreur grave omise par tous.} {% for passage in passages.all %}& P.{{ forloop.counter }} - {{ passage.observer.team.trigram }} {% endfor %}\\ \hline \hline
-%ORAL
-Toute intervention exceptionnelle non pertinente est sanctionn\'ee par une note n\'egative, l'absence d'intervention re\c coit un z\'ero forfaitaire. \phantom{pour avoir oral en entier dans la} \phantom{colonne il} \phantom{faut blablater un peu}& [-4,4] {{ esp|safe }}\\ \hline
-\end{tabular}
-{% endif %}
-
 \newpage
 
 %%%%%%%%%%%%%%%%%OPPOSANT

participation/templates/participation/tex/finale.tex

@@ -61,22 +61,6 @@ Tour {{ pool.round }} \;-- Poule {{ pool.get_letter_display }}{{ page }} \;-- {%
 & \phantom{asd asd} \phantom{asd asd} \centering \normalsize$0\leq x\leq 10$
 & \phantom{asd asd} \phantom{asd asd} \centering \normalsize$0\leq x\leq 10$
 {% endfor %} & \hline
-{% if passages.count == 4 %}
-\multirow{4}{35mm}{\Large Intervention exceptionnelle}{% for passage in passages.all %} & \multicolumn{2}{c|}{\Large {{ passage.observer.team.trigram }}}{% endfor %} \\ \cline{2-{{ passages.count|add:passages.count|add:1 }}}
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}\\
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}
-& \multicolumn{2}{c|}{\phantom{asd asd} \phantom{asd asd}}\\
-& \multicolumn{2}{c|}{\centering \normalsize$-4\leq x\leq 4$}
-& \multicolumn{2}{c|}{\centering \normalsize$-4\leq x\leq 4$}
-& \multicolumn{2}{c|}{\centering \normalsize$-4\leq x\leq 4$}
-& \multicolumn{2}{c|}{\centering \normalsize$-4\leq x\leq 4$} & \hline
-{% endif %}
-
 \end{tabular}
 
 \vspace{15mm}

participation/views.py

@@ -1245,8 +1245,7 @@ class PoolUploadNotesView(VolunteerMixin, FormView, DetailView):
             return self.form_invalid(form)
 
         for vr, notes in parsed_notes.items():
-            # There is an observer note for 4-teams pools
-            notes_count = 7 if pool.passages.count() == 4 else 6
+            notes_count = 6
             for i, passage in enumerate(pool.passages.all()):
                 note = Note.objects.get_or_create(jury=vr, passage=passage)[0]
                 passage_notes = notes[notes_count * i:notes_count * (i + 1)]
@@ -1282,7 +1281,7 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
 
     def render_to_response(self, context, **response_kwargs):  # noqa: C901
         pool_size = self.object.passages.count()
-        passage_width = 7 if pool_size == 4 else 6
+        passage_width = 6
         line_length = pool_size * passage_width
 
         def getcol(number: int) -> str:
@@ -1454,10 +1453,6 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
         col_style.addElement(TableColumnProperties(columnwidth="2.6cm", breakbefore="auto"))
         doc.automaticstyles.addElement(col_style)
 
-        obs_col_style = Style(name="co3", family="table-column")
-        obs_col_style.addElement(TableColumnProperties(columnwidth="5.2cm", breakbefore="auto"))
-        doc.automaticstyles.addElement(obs_col_style)
-
         table = Table(name=f"Poule {self.object.get_letter_display()}{self.object.round}")
         doc.spreadsheet.addElement(table)
 
@@ -1465,8 +1460,7 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
         table.addElement(TableColumn(stylename=jury_id_style))
 
         for i in range(line_length):
-            table.addElement(TableColumn(
-                stylename=obs_col_style if pool_size == 4 and i % passage_width == passage_width - 1 else col_style))
+            table.addElement(TableColumn(stylename=col_style))
 
         # Add line for the problems for different passages
         header_pb = TableRow()
@@ -1479,10 +1473,10 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
         for passage in self.object.passages.all():
             tc = TableCell(valuetype="string", stylename=title_style_topleftright)
             tc.addElement(P(text=f"Problème {passage.solution_number}"))
-            tc.setAttribute('numbercolumnsspanned', "7" if pool_size == 4 else "6")
+            tc.setAttribute('numbercolumnsspanned', "6")
             tc.setAttribute("formula", f"of:=[.B{8 + self.object.juries.count() + passage.position}]")
             header_pb.addElement(tc)
-            header_pb.addElement(CoveredTableCell(numbercolumnsrepeated=6 if pool_size == 4 else 5))
+            header_pb.addElement(CoveredTableCell(numbercolumnsrepeated=5))
 
         # Add roles on the second line of the table
         header_role = TableRow()
@@ -1506,17 +1500,12 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
             header_role.addElement(CoveredTableCell())
 
             reporter_tc = TableCell(valuetype="string",
-                                    stylename=title_style_right if pool_size != 4 else title_style)
+                                    stylename=title_style_right)
             reporter_tc.addElement(P(text="Rapporteur⋅rice"))
             reporter_tc.setAttribute('numbercolumnsspanned', "2")
             header_role.addElement(reporter_tc)
             header_role.addElement(CoveredTableCell())
 
-            if pool_size == 4:
-                observer_tc = TableCell(valuetype="string", stylename=title_style_right)
-                observer_tc.addElement(P(text="Intervention exceptionnelle"))
-                header_role.addElement(observer_tc)
-
         # Add maximum notes on the third line
         header_notes = TableRow()
         table.addElement(header_notes)
@@ -1547,17 +1536,10 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
             reporter_w_tc.addElement(P(text="Écrit (/10)"))
             header_notes.addElement(reporter_w_tc)
 
-            reporter_o_tc = TableCell(valuetype="string",
-                                      stylename=title_style_botright if pool_size != 4 else title_style_bot)
+            reporter_o_tc = TableCell(valuetype="string", stylename=title_style_botright)
             reporter_o_tc.addElement(P(text="Oral (/10)"))
             header_notes.addElement(reporter_o_tc)
 
-            if pool_size == 4:
-                observer_tc = TableCell(valuetype="string",
-                                        stylename=title_style_botright)
-                observer_tc.addElement(P(text="Oral (± 4)"))
-                header_notes.addElement(observer_tc)
-
         # Add a notation line for each jury
         for jury in self.object.juries.all():
             jury_row = TableRow()
@@ -1631,16 +1613,10 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
             reporter_w_tc.addElement(P(text="1"))
             coeff_row.addElement(reporter_w_tc)
 
-            reporter_o_tc = TableCell(valuetype="float", value=1,
-                                      stylename=style_right if pool_size != 4 else style)
+            reporter_o_tc = TableCell(valuetype="float", value=1, stylename=style_right)
             reporter_o_tc.addElement(P(text="1"))
             coeff_row.addElement(reporter_o_tc)
 
-            if pool_size == 4:
-                observer_tc = TableCell(valuetype="float", value=1, stylename=style_right)
-                observer_tc.addElement(P(text="1"))
-                coeff_row.addElement(observer_tc)
-
         # Add the subtotal on the next line
         subtotal_row = TableRow()
         table.addElement(subtotal_row)
@@ -1672,8 +1648,7 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
 
             rep_w_col = getcol(min_column + passage_width * i + 4)
             rep_o_col = getcol(min_column + passage_width * i + 5)
-            reporter_tc = TableCell(valuetype="float", value=passage.average_reporter,
-                                    stylename=style_botright if pool_size != 4 else style_bot)
+            reporter_tc = TableCell(valuetype="float", value=passage.average_reporter, stylename=style_botright)
             reporter_tc.addElement(P(text=str(passage.average_reporter)))
             reporter_tc.setAttribute('numbercolumnsspanned', "2")
             reporter_tc.setAttribute("formula", f"of:=[.{rep_w_col}{max_row + 1}] * [.{rep_w_col}{max_row + 2}]"
@@ -1681,14 +1656,6 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
             subtotal_row.addElement(reporter_tc)
             subtotal_row.addElement(CoveredTableCell())
 
-            if pool_size == 4:
-                obs_col = getcol(min_column + passage_width * i + 6)
-                observer_tc = TableCell(valuetype="float", value=passage.average_observer,
-                                        stylename=style_botright)
-                observer_tc.addElement(P(text=str(passage.average_observer)))
-                observer_tc.setAttribute("formula", f"of:=[.{obs_col}{max_row + 1}] * [.{obs_col}{max_row + 2}]")
-                subtotal_row.addElement(observer_tc)
-
         table.addElement(TableRow())
 
         # Compute the total scores in a new table
@@ -1710,7 +1677,6 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
 
         # For each line of the matrix P, the ith team is defender on the passage number Pi0,
         # opponent on the passage number Pi1, reporter on the passage number Pi2
-        # and eventually observer on the passage number Pi3.
         passage_matrix = []
         match pool_size:
             case 3:
@@ -1721,10 +1687,10 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
                 ]
             case 4:
                 passage_matrix = [
-                    [0, 3, 2, 1],
-                    [1, 0, 3, 2],
-                    [2, 1, 0, 3],
-                    [3, 2, 1, 0],
+                    [0, 3, 2],
+                    [1, 0, 3],
+                    [2, 1, 0],
+                    [3, 2, 1],
                 ]
             case 5:
                 passage_matrix = [
@@ -1759,9 +1725,6 @@ class PoolNotesTemplateView(VolunteerMixin, DetailView):
             formula += getcol(min_column + passage_line[0] * passage_width) + str(max_row + 3)  # Defender
             formula += " + " + getcol(min_column + passage_line[1] * passage_width + 2) + str(max_row + 3)  # Opponent
             formula += " + " + getcol(min_column + passage_line[2] * passage_width + 4) + str(max_row + 3)  # Reporter
-            if pool_size == 4:
-                # Observer
-                formula += " + " + getcol(min_column + passage_line[3] * passage_width + 6) + str(max_row + 3)
             score_tc.setAttribute("formula", formula)
             team_row.addElement(score_tc)
 
@@ -1986,7 +1949,7 @@ class PassageDetailView(LoginRequiredMixin, DetailView):
                      or reg in passage.pool.juries.all()
                      or reg.pools_presided.filter(tournament=passage.pool.tournament).exists()) \
                 or reg.participates and reg.team \
-                and reg.team.participation in [passage.defender, passage.opponent, passage.reporter, passage.observer]:
+                and reg.team.participation in [passage.defender, passage.opponent, passage.reporter]:
             return super().dispatch(request, *args, **kwargs)
         return self.handle_no_permission()
 
@@ -2004,9 +1967,6 @@ class PassageDetailView(LoginRequiredMixin, DetailView):
                 notes = [note for note in notes if note.has_any_note() or note.jury == reg]
             context["notes"] = NoteTable(notes)
 
-            # Only display the observer column for 4-teams pools
-            if passage.pool.participations.count() != 4:
-                context['notes']._sequence.remove('observer_oral')
         if 'notes' in context and not self.request.user.registration.is_admin:
             context['notes']._sequence.remove('update')
 
@@ -2016,8 +1976,6 @@ class PassageDetailView(LoginRequiredMixin, DetailView):
             context['notes'].columns['opponent_oral'].column.verbose_name += f" ({passage.opponent.team.trigram})"
             context['notes'].columns['reporter_writing'].column.verbose_name += f" ({passage.reporter.team.trigram})"
             context['notes'].columns['reporter_oral'].column.verbose_name += f" ({passage.reporter.team.trigram})"
-            if self.object.observer:
-                context['notes'].columns['observer_oral'].column.verbose_name += f" ({passage.observer.team.trigram})"
 
         return context
 
@@ -2112,11 +2070,6 @@ class NoteUpdateView(VolunteerMixin, UpdateView):
         form.fields['opponent_oral'].label += f" ({self.object.passage.opponent.team.trigram})"
         form.fields['reporter_writing'].label += f" ({self.object.passage.reporter.team.trigram})"
         form.fields['reporter_oral'].label += f" ({self.object.passage.reporter.team.trigram})"
-        if self.object.passage.observer:
-            form.fields['observer_oral'].label += f" ({self.object.passage.observer.team.trigram})"
-        else:
-            # Set the note of the observer only for 4-teams pools
-            del form.fields['observer_oral']
         return form
 
     def form_valid(self, form):